Spring Start Date 2025. Saturday 5 april monday 21 april: We have put together the complete list of school holidays across every state in australia.

For the northern hemisphere in 2025, the vernal equinox, and therefore the first day of spring, will fall on march 20th. Spring equinox 2025 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic.